Keywords: FMIB 43497 Pachygrapsus gracilis.jpeg check categories 17 August 2015 4 Pachygrapsus gracilis Subject Crabs Pachygrapsus Tag Shellfish 1918 Cite book Grapsoid Crabs of America Rathbun Mary J Washington DC Government Printing Office 1918 Bulletin United States National Museum ; no 97 Plate 61 1 Creator Mary J Rathbun PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 43497 Images from the Freshwater and Marine Image Bank to check Mary J Rathbun Brachyura Pachygrapsus |